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| Criterion |  Facilitation World Café |  DevOps Incident Timeline Analysis |  Operations Causal Factor Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | When a group needs to connect many viewpoints in a short time, World Café creates a calm alternation between closeness and rotation. It sets thinking in motion without forcing the conversation into full-plenary rigidity. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 60-180 min | 60-180 min | 2-6 h | 2-4 h |
Participantsdifferent | 12-100+ | 3-10 | 3-10 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Table Notes, Emergent Themes, Shared Questions | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | FacilitationDialogueLarge groupSensemaking | IncidentTimelineSite Reliability Engineering | CausalityIncidentRoot causeTimeline | Root causeSafetyIncident |